kamrynwhitley31 kamrynwhitley31

29-06-2020
Physics

contestada

A car travelling on a straight road initially at 45 km/h accelerates for 5.0 s at a constant acceleration of 8.0 m/s2. What is the car’s final speed, in m/s?

Respuesta :

shivastha454 shivastha454

29-06-2020

Answer:

52.5m/s

Explanation:

u=45km/hr=45×1000/60×60=12.5

t= 5 sec

a=8m/s^2

v=?

Now,

v=u+at

v=12.5+8×5

v=52.5

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